210004400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 541773360

約数和(自身を除く): 331768960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 89, 100, 136, 170, 178, 200, 272, 340, 347, 356, 400, 425, 445, 680, 694, 712, 850, 890, 1360, 1388, 1424, 1513, 1700, 1735, 1780, 2225, 2776, 3026, 3400, 3470, 3560, 4450, 5552, 5899, 6052, 6800, 6940, 7120, 7565, 8675, 8900, 11798, 12104, 13880, 15130, 17350, 17800, 23596, 24208, 27760, 29495, 30260, 30883, 34700, 35600, 37825, 47192, 58990, 60520, 61766, 69400, 75650, 94384, 117980, 121040, 123532, 138800, 147475, 151300, 154415, 235960, 247064, 294950, 302600, 308830, 471920, 494128, 525011, 589900, 605200, 617660, 772075, 1050022, 1179800, 1235320, 1544150, 2100044, 2359600, 2470640, 2625055, 3088300, 4200088, 5250110, 6176600, 8400176, 10500220, 12353200, 13125275, 21000440, 26250550, 42000880, 52501100, 105002200, 210004400]

約数ペア:

[(1, 210004400), (2, 105002200), (4, 52501100), (5, 42000880), (8, 26250550), (10, 21000440), (16, 13125275), (17, 12353200), (20, 10500220), (25, 8400176), (34, 6176600), (40, 5250110), (50, 4200088), (68, 3088300), (80, 2625055), (85, 2470640), (89, 2359600), (100, 2100044), (136, 1544150), (170, 1235320), (178, 1179800), (200, 1050022), (272, 772075), (340, 617660), (347, 605200), (356, 589900), (400, 525011), (425, 494128), (445, 471920), (680, 308830), (694, 302600), (712, 294950), (850, 247064), (890, 235960), (1360, 154415), (1388, 151300), (1424, 147475), (1513, 138800), (1700, 123532), (1735, 121040), (1780, 117980), (2225, 94384), (2776, 75650), (3026, 69400), (3400, 61766), (3470, 60520), (3560, 58990), (4450, 47192), (5552, 37825), (5899, 35600), (6052, 34700), (6800, 30883), (6940, 30260), (7120, 29495), (7565, 27760), (8675, 24208), (8900, 23596), (11798, 17800), (12104, 17350), (13880, 15130)]